Intel CPU Speculative Execution injection

Summaryinfo

A vulnerability was found in Intel CPU and classified as problematic. This issue affects some unknown processing of the component Speculative Execution. The manipulation results in injection. This vulnerability is identified as CVE-2020-0551. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability was found in Intel CPU (Chip Software) (the affected version is unknown). It has been classified as problematic. Affected is an unknown code of the component Speculative Execution. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality. CVE summarizes:

Load value injection in some Intel(R) Processors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. The list of affected products is provided in intel-sa-00334: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00334.html

The weakness was released 03/12/2020 (Website). The advisory is available at intel.com. This vulnerability is traded as CVE-2020-0551 since 10/28/2019. The exploitability is told to be difficult. Local access is required to approach this attack. A authentication is needed for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/25/2025). This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 253198 (Linux Distros Unpatched Vulnerability : CVE-2020-0551), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (253198). Entry connected to this vulnerability is available at VDB-151385. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Chip Software

Vendor

• Intel

Name

• CPU

License

• commercial

Website

• Vendor: https://www.intel.com/

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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